Research Designs

Question 1

Confounds

Answer 1

Factors that undermine the ability to draw causal inferences from an experiment.

Question 2

Correlation

Answer 2

Measures the association between two variables, or how they go together.

Question 3

Dependent variable

Answer 3

The variable the researcher measures but does not manipulate in an experiment.

Question 4

Experimenter expectations

Answer 4

When the experimenter’s expectations influence the outcome of a study.

Question 5

Independent variable

Answer 5

The variable the researcher manipulates and controls in an experiment.

Question 6

Longitudinal study

Answer 6

A study that follows the same group of individuals over time.

Question 7

Operational definitions

Answer 7

How researchers specifically measure a concept.

Question 8

Participant demand

Answer 8

When participants behave in a way that they think the experimenter wants them to behave.

Question 9

Placebo effect

Answer 9

When receiving special treatment or something new affects human behavior.

Question 10

Quasi-experimental design

Answer 10

An experiment that does not require random assignment to conditions

Question 11

Random assignment

Answer 11

Assigning participants to receive different conditions of an experiment by chance.